AP Chemistry Chapter Seven Practice Test— Periodic Properties of

Homework
Due Wednesday,
March
AP Chemistry Chapter
Seven#7
Practice
Test— Periodic
Properties of the Elements
1) In general, as you go across a period in the periodic table
from left to right:
(1) the atomic radius __________;
(2) the electron affinity becomes _________ negative; and
(3) the first ionization energy __________.
A) decreases, decreasingly, increases
B) increases, increasingly, decreases
C) increases, increasingly, increases
D) decreases, increasingly, increases
E) decreases, increasingly, decreases
2) Element M reacts with chlorine to form a compound with the
formula MCl2 . Element M is more reactive than magnesium
and has a smaller radius than barium. This element is
__________.
A) Sr
B) K
C) Na
D) Ra
E) Be
3) The oxide of which element below can react with
hydrochloric acid?
A) sulfur
B) selenium
C) nitrogen
D) sodium
E) carbon
4) Metals can be __________ at room temperature.
A) liquid only
B) solid only
C) solid or liquid
D) solid, liquid, or gas
E) liquid or gas
10) Oxides of most nonmetals combine with water to form ___.
A) an acid
B) a base
C) water and a salt
D) water
E) hydrogen gas
11) Oxides of most nonmetals combine with base to form ___.
A) hydrogen gas
B) an acid
C) a base
D) water
E) water and a salt
12) The reaction of a metal with a nonmetal produces a(n) ___.
A) base
B) salt
C) acid
D) oxide
E) hydroxide
13) Of the hydrogen halides, only __________ is a weak acid.
A) HCl (aq)
B) HBr (aq)
C) HF (aq)
D) HI (aq)
E) They are all weak acids.
14) The only noble gas that does not have the ns 2 np6 valence
electron configuration is __________.
A) radon
B) neon
C) helium
D) krypton
2
6
E) All noble gases have the ns np valence configuration.
15) 2 F2 (g) + 2 H 2 O (l) ! __________.
A) 2 HF (aq) + 2 HFO (aq)
B) 2 F- (aq) + 2 H + (aq) + H 2 O 2 (aq)
C) 4 HF (aq) + O 2 (g)
5) Na reacts with element X to form an ionic compound with
the formula Na 3 X . Ca will react with X to form _________.
A) CaX 2
B) CaX
D) Ca 3 X 2
E) Ca 3 X
C) Ca 2 X3
6) The substance, __________ is always produced when an
active metal reacts with water.
A) NaOH
B) H 2 O
C) CO 2
D) H 2
E) O 2
7) What is the coefficient of H 2 O when the following equation
is completed and balanced?
Ba (s) + H 2 O (l) ! ________
A) 1
B) 2
C) 3
D) 5
E) Ba(s) does not react with H 2 O (l).
8) Oxides of the active metals combine with water to form
________.
A) metal hydroxides
B) metal hydrides
C) hydrogen gas
D) oxygen gas
E) water and a salt
9) Oxides of the active metals combine with acid to form _____.
A) hydrogen gas
B) metal hydrides
C) water and a salt
D) oxygen gas
E) metal hydroxides
D) 2 HF2 (aq) + 2 OH - (aq)
E) 4 HF (aq) + 2 O2- (aq)
16) In which set of elements would all members be expected to
have very similar chemical properties?
A) O, S, Se
B) N, O, F
C) Na, Mg, K
D) S, Se, Si
E) Ne, Na, Mg
17) Electrons in the 1s subshell are much closer to the nucleus
in Ar than in He due to the larger __________ in Ar.
A) nuclear charge
B) paramagnetism
C) diamagnetism
D) Hund's rule
E) azimuthal quantum number
18) Of the following, which gives the correct order for atomic
radius for Mg, Na, P, Si and Ar?
A) Mg > Na > P > Si > Ar
B) Ar > Si > P > Na > Mg
C) Si > P > Ar > Na > Mg
D) Na > Mg > Si > P > Ar
E) Ar > P > Si > Mg > Na
19) Which of the following correctly lists the five atoms in
order of increasing size (smallest to largest)?
A) O < F < S < Mg < Ba
B) F < O < S < Mg < Ba
C) F < O < S < Ba < Mg
D) O < F < S < Ba < Mg
E) F < S < O < Mg < Ba
20) Screening by the valence electrons in
atoms is ________.
A) less efficient than that by core electrons
B) more efficient than that by core electrons
C) essentially identical to that by core
electrons
D) responsible for a general increase in
atomic radius going across a period
E) both more efficient than that by core
electrons and responsible for a general
increase in atomic radius going across
a period
28) Which ion below has the largest radius?
A) ClB) K +
C) Br -
21) Which one of the following atoms
has the largest radius?
A) O
B) F
C) S
D) Cl E) Ne
B) Cl- < Ar < K + < Ca 2+
22) In which of the following atoms is
the 3s orbital closest to the nucleus?
A) Br B) Cl C) At D) I
E) The 3s orbitals are the same distance
from the nucleus in all of these atoms.
23) Of the following elements, which has
the largest first ionization energy?
A) Na
B) Al
C) Se
D) Cl
E) Br
24) __________ have the lowest first
ionization energies of the groups listed.
A) Alkali metals B) Transition elements
C) Halogens
D) Alkaline earth metals
E) Noble gases
25) Which of the following has the
largest second ionization energy?
A) Si
B) Mg
C) Al
D) Na
E) P
26) Which equation correctly represents the first ionization of
aluminum?
A) Al- (g) ! Al (g) + eB) Al (g) ! Al- (g) + eC) Al (g) + e- ! Al- (g)
+
D) Al (g) ! Al (g) + e
-
E) Al+ (g) + e- ! Al (g)
27) Which of the following correctly represents the second
ionization of aluminum?
A) Al+ (g) + e- ! Al (g)
B) Al (g) ! Al+ (g) + eC) Al- (g) + e- ! Al2- (g)
D) Al+ (g) + e- ! Al2+ (g)
E) Al+ (g) ! Al2+ (g) + e-
D) F-
E) Na +
29) Of the compounds below, __________ has the smallest
ionic separation.
A) KF
B) K 2S
C) RbCl
D) SrBr2
E) RbF
30) Which isoelectronic series is correctly arranged in order of
increasing radius?
A) K + < Ca2+ < Ar < ClC) Ca 2+ < Ar < K + < ClD) Ca 2+ < K + < Ar < ClE) Ca 2+ < K + < Cl- < Ar
31) __________ is isoelectronic with argon and __________ is
isoelectronic with neon.
A) Cl- , FB) Cl- , Cl+
C) F+ , FD) Ne- , Kr +
E) Ne- , Ar +
32) Of the following elements, __________ has the most
negative electron affinity.
A) Na
B) Li
C) Be
D) N
E) F
33) Of the following elements, __________ has the most
negative electron affinity.
A) P
B) Al
C) Si
D) Cl
E) B
34) Chlorine is much more apt to exist as an anion than is
sodium. This is because __________.
A) chlorine is bigger than sodium
B) chlorine has a greater ionization energy than sodium does
C) chlorine has a greater electron affinity than sodium does
D) chlorine is a gas and sodium is a solid
E) chlorine is more metallic than sodium
35) Of the elements below, __________ is the most metallic.
A) sodium
B) barium
C) magnesium
D) calcium
E) cesium
36) Of the following metals, __________ exhibits multiple
oxidation states.
A) Al
B) Cs
C) V
D) Ca
E) Na
37) Which of these oxides is most basic?
A) K 2 O
B) Al2 O3
C) CO 2
D) MgO
E) Na 2 O
38) Of the following oxides, __________ is the most acidic.
A) CaO
B) CO 2
C) Al2 O3
D) Li 2 O
E) Na 2 O

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